then the real thing actually smashes into russia and it doesn't only smash into russia. it smashes as the biggest fall in 100 years and that last one in tunguska in 1908 was only 3,000 miles from this one. that's the longest astronomical hole in one you can possibly imagine. >> the video was incredible. >> reporter: incredible. >> i want to ask you, like, how often does this sort of thing happen asteroids and meteorites? how often do they come this close to earth? >> reporter: welsh the one that happened this morning, you know, was the biggest one since 1908. we got a fireball at least once a day but most of the time it's over the ocean. something this big doesn't happen more than once in a century and the near miss something like this near miss, about once every 40 years, elizabeth. >> wow. all right, brian hackney, thank you. you can see more of that amazing video of the meteor as well as the photo gallery of its path of destruction on our website, cbssf.com.